From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161230AbWJRQgU (ORCPT ); Wed, 18 Oct 2006 12:36:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161229AbWJRQgU (ORCPT ); Wed, 18 Oct 2006 12:36:20 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:19090 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S1161228AbWJRQgS (ORCPT ); Wed, 18 Oct 2006 12:36:18 -0400 Subject: Re: 2.6.18 w/ GPS time source: worse performance From: Lee Revell To: Udo van den Heuvel Cc: linux-kernel@vger.kernel.org In-Reply-To: <45364631.9070805@xs4all.nl> References: <4534F5F7.8020003@xs4all.nl> <1161103616.2919.70.camel@mindpipe> <45364631.9070805@xs4all.nl> Content-Type: text/plain Date: Wed, 18 Oct 2006 12:36:23 -0400 Message-Id: <1161189384.15860.85.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2006-10-18 at 17:20 +0200, Udo van den Heuvel wrote: > Lee Revell wrote: > > On Tue, 2006-10-17 at 17:25 +0200, Udo van den Heuvel wrote: > >> > >> Why does a GPS as time source (with ntpd) perform so much worse with 2.6.18? > > > > Um... you don't give nearly enough information to even begin to know > > what you're talking about. > > No one here with a vague idea about the cause for the bad performance? > I am sure I not the only one experiencing this. No, the issue is that a one-sentence bug report is not helpful. You don't give enough information to debug it. Kernel config, steps to reproduce, etc, etc. Please look at LKML archives for some examples of the type of bug report that does get a response. Lee